Cordless heat gun



FIG. 1 is a front, right side view of a cordless heat gun showing our new design;

FIG. 2 is a right, side view thereof;

FIG. 3 is a left, side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines illustrate portions of the cordless heat gun and form no part of the claimed design. 

CLAIM The ornamental design for a cordless heat gun, as shown and described. 